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164197100 = 22521641971
BaseRepresentation
bin10011100100101…
…11001011101100
3102102222002002002
421302113023230
5314013301400
624143151432
74032436514
oct1162271354
9372862062
10164197100
1184759791
1246ba5578
132802cc62
1417b42844
15e635ed5
hex9c972ec

164197100 has 18 divisors (see below), whose sum is σ = 356307924. Its totient is φ = 65678800.

The previous prime is 164197097. The next prime is 164197109. The reversal of 164197100 is 1791461.

It is not an unprimeable number, because it can be changed into a prime (164197109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 820886 + ... + 821085.

Almost surely, 2164197100 is an apocalyptic number.

164197100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164197100 is an abundant number, since it is smaller than the sum of its proper divisors (192110824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164197100 is a wasteful number, since it uses less digits than its factorization.

164197100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641985 (or 1641978 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 164197100 is about 12813.9416262132. The cubic root of 164197100 is about 547.5895616014.

The spelling of 164197100 in words is "one hundred sixty-four million, one hundred ninety-seven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1641971 3283942 6567884 8209855 16419710 32839420 41049275 82098550 164197100